Resultados de búsqueda - "Hard rock"

A hard rock of age por Technical Centre for Agricultural and Rural Cooperation

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Geological and geomorphological controls on groundwater occurrence in a hard rock region por Rajaveni, S.P., Brindha, Karthikeyan, Elango, L.

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Managing groundwater in hard-rock areas through agro-well design and development por Silva, C.S. de, Fernando, N., Sakthivadivel, Ramaswamy, Merrey, Douglas J.

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Wells and ill-fare: impacts of well failures on cultivators in hard rock areas of Madhya Pradesh por Bassi, Nitin, Vijayshankar, P. S., Kumar, M. Dinesh

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Community response to aquifer development: distinct patterns in India's alluvial and hard rock aquifer areas por Shah, Tushaar

“…Dependence on groundwater has increased in rich alluvial aquifers with ample storage as well as in poor hard rock aquifers with limited storage. The socioeconomic and environmental impacts of the over-exploitation of groundwater are also equally pervasive. …”
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Adaptation of standardised precipitation index for understanding watertable fluctuations and groundwater resilience in hard-rock areas of India por Chinnasamy, Pennan, Maheshwari, B., Prathapar, Sanmugam A.

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Is it possible to revive dug wells in hard-rock India through recharge?: discussion from studies in ten districts of the country por Krishnan, S., Indu, R., Shah, Tushaar, Hittalamani, C., Patwari, B., Sharma, D., Chauhan, L., Kher, V., Raj, H., Mahida, U., Shankar, M., Sharma, K.

“…Groundwater exploitation in hard-rock India is leading to high distress amongst farmers. …”
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Nature of occurrence of the regolith aquifer in the hard rock region of the North Central dry zone, and its rational exploitation for agro-well development por Panabokke, Christopher R.

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Development of a tool for managing groundwater resources in semi-arid hard rock regions: application to a rural watershed in South India por Dewandel, B., Perrin, J., Ahmed, S., Aulong, S., Hrkal, Z., Lachassagne, P., Samad, Madar, Massuel, S.

“…Until recently, aquifers located in hard rock formations (granite, gneiss, schist) were considered as a highly heterogeneous media, and no adequate methodology for groundwater management was available. …”
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Integrated hydrogeological modelling of hard-rock semi-arid terrain: supporting sustainable agricultural groundwater use in Hout catchment, Limpopo Province, South Africa por Ebrahim, Girma Yimer, Villholth, Karen G., Boulos, M.

“…An integrated hydrogeological modelling approach applicable to hard-rock aquifers in semi-arid data-scarce Africa was developed using remote sensing, rainfall-runoff modelling, and a three-dimensional (3D) dynamic model. …”
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Over-exploitation and artificial recharging of hard rock aquifers of South India: issues and options.... por Ballukraya, P.N., Sakthivadivel, Ramaswamy

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Conceptual model of flow and transport for a hard rock aquifer-Musi River microwatershed case study.... por Ahmed, S., Alazard, M., Amerasinghe, Priyanie H., Boisson, A., Jampani, Mahesh, Pavelic, Paul, Sonkamble, S.

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Energy consumption as a proxy to estimate groundwater abstraction in irrigation por Alam, Mohammad Faiz, Pavelic, Paul, Sikka, Alok, Krishnan, S., Dodiya, M., Bhadaliya, P., Joshi, V.

“…In hard rock aquifers, the conversion factor decreases from an average of 6.0 m³ kWh−1 for 3 HP pumps to 4.7 m³ kWh−1 for 7.5 HP pumps. …”
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Estimating natural groundwater recharge from rainfall and AEM data in crystalline aquifer por Chandra, S., Mizan, Syed Adil

“…A demonstrative study has been carried out in a granite hard rock terrain of southern India. The LCR recharge estimates are validated by the recharge estimates from the well-defined water table fluctuation (WTF) method. …”
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Improving groundwater management for Indian agriculture: Assessing tradeoffs across policy instruments por Msangi, Siwa, Cline, Sarah Ann

“…The challenges of regulating smallholder agricultural water users are shown to be relevant in determining which instrument might have the best chance of slowing the depletion of groundwater resources in the hard-rock aquifers of India, and promoting the long-run sustainability of this critical natural resource.…”
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Characterization and monitoring of the regolith aquifer within four selected cascades (sub-watersheds) of the Malala Oya Basin [Sri Lanka]. por Panabokke, Christopher R., Ariyaratne, Badugodahewa Ranjith, Seneviratne, A., Wijekoon, D., Molle, Francois

“…The groundwater present in the hard rock region of the dry zone of Sri Lanka is made up of the shallow 'Regolith Aquifer' and the deeper fracture zone aquifer is now clearly recognized. …”
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Groundwater over-exploitation and efficiency in crop production: application of data envelopment analysis por Kuppannan, Palanisami, Ranganathan, C.R., Umetsu, C.

“…Groundwater over-exploitation and well failure are common in hard rock regions of south India. Groundwater scarcity influenced the farm input use and overall farm level technical efficiency. …”
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Exposure visit of Government officials to witness the revitalization of traditional water-harvesting haveli systems at the Bhadokhar Haveli in the Tahrauli cluster por Singh, Ramesh, Anantha K.H., Garg, Kaushal K., Venkataradha A., Shukla, Ashok, Reddy, Nagarjuna N.

“…Delegates observed firsthand the technical rigor and community-driven mechanisms that have successfully restored groundwater levels and agricultural productivity in this hard-rock region. The visit highlighted the project's scalability, paving the way for potential policy integration into PMKSY WDC 3.0 guidelines and sparking cross-state collaboration to replicate these climate-resilient interventions across India’s drylands.…”
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Does solar irrigation threaten groundwater sustainability? Evidence from India and Bangladesh por Alam, Mohammad Faiz, Varshney, Deepak, Mitra, Archisman, Pavelic, Paul, Mahapatra, Smaranika, Habib, A., Krishnan, S., Sikka, Alok, Ravindranath, Darshini

“…In India, grid-connected SIPs with feed-in incentives reduced water use in alluvial aquifers, while hard-rock systems showed little change. The findings highlight that groundwater impacts are context-specific, with well-designed solar models offering low-carbon irrigation without major sustainability risks.…”
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Improving assessment of groundwater-resource sustainability with deterministic modelling: a case study of the semi-arid Musi sub-basin, South India por Massuel, S., George, B.A., Venot, Jean-Philippe, Bharati, Luna, Acharya, S.

“…Within the 11,000-km2 Musi River sub-basin (South India), human interventions have dramatically impacted the hard-rock aquifers, with a water-table drop of 0.18m/a over the period 1989-2004. …”
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